Bien
| Name | Bien |
| Type | Motor vessel |
| GRT | 120 tons |
| Country |  Norwegian |
| Built | 1883 |
| Builder | unknown builder in Lillesand |
| Operator | Lars Olsen m.fl., Lillesand |
| History | A three-masted sailing vessel fitted in 1910 with a motor. |
U-boat attacks on Motor vessel Bien
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 12 Sep 1915 | U 6 (Reinhold Lepsius) | Sunk | off Christiansand | Arendal – Methill | pit props | 0 |
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